Białek is a Polish-language surname. Archaic feminine forms: Białkówna (maiden name), Białkowa (name by husband). Notable people with this surname include: (born April 22, 1990), Polish female handballer Bartosz Białek (born 11 November 2001), Polish professional footballer Janusz Białek (born 10 October 1955), Polish retired football manager and former player Jarosław Białek (born 22 February 1981), Polish professional football manager and former player William Bialek (born 14 August 1960), American theoretical biophysicist